According to Lee Boyette in Alter Ego #90, Fran Matera sneaks his initials into panels on pages 5 and 7. According to Jim Amash, in the Quality Companion, and who had done an interview with Matera, he states this art is by Reed Crandall.
Script credit suggested by the Who's Who.
Signed MDE in last panel as mentioned in Alter Ego #75.
All Gustavson credits verified and courtesy of Terry Gustafson, son of Paul Gustavson.